Why is a wide metal ring placed under the nut?
| January 28, 2021 | education
A wide metal ring, called a washer, is placed under the nut in order to reduce the pressure of the nut on the surface of the pressed material.
The pressure P is determined by the ratio of the force F to the area on which it acts S: P = F / S.
The wide washer has a larger contact area than the nut. Therefore, the pressure under the washer will be less than under the nut. The pressure under the nut is reduced with a washer so that, due to the strong pressure, the material that is pressed by the nut does not break through.
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